// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
-#include <OpenGl_GlCore15.hxx>
+#include <OpenGl_Workspace.hxx>
#include <InterfaceGraphic.hxx>
+#include <OpenGl_ArbFBO.hxx>
#include <OpenGl_AspectLine.hxx>
#include <OpenGl_AspectFace.hxx>
#include <OpenGl_AspectMarker.hxx>
#include <OpenGl_Context.hxx>
#include <OpenGl_Element.hxx>
#include <OpenGl_FrameBuffer.hxx>
+#include <OpenGl_GlCore15.hxx>
+#include <OpenGl_SceneGeometry.hxx>
#include <OpenGl_Structure.hxx>
#include <OpenGl_Sampler.hxx>
#include <OpenGl_Texture.hxx>
-#include <OpenGl_Utils.hxx>
#include <OpenGl_View.hxx>
-#include <OpenGl_Workspace.hxx>
+#include <OpenGl_Window.hxx>
#include <Graphic3d_TextureParams.hxx>
-
-#if defined(_WIN32) && defined(HAVE_VIDEOCAPTURE)
- #include <OpenGl_AVIWriter.hxx>
+#include <Graphic3d_TransformUtils.hxx>
+
+#ifdef HAVE_GL2PS
+ #include <gl2ps.h>
+ /* OCC22216 NOTE: linker dependency can be switched off by undefining macro.
+ Pragma comment for gl2ps.lib is defined only here. */
+ #ifdef _MSC_VER
+ #pragma comment( lib, "gl2ps.lib" )
+ #endif
#endif
-IMPLEMENT_STANDARD_HANDLE(OpenGl_Workspace,OpenGl_Window)
-IMPLEMENT_STANDARD_RTTIEXT(OpenGl_Workspace,OpenGl_Window)
-
namespace
{
static const TEL_COLOUR THE_WHITE_COLOR = { { 1.0f, 1.0f, 1.0f, 1.0f } };
static const OpenGl_AspectLine myDefaultAspectLine;
static const OpenGl_AspectFace myDefaultAspectFace;
static const OpenGl_AspectMarker myDefaultAspectMarker;
- static const OpenGl_AspectText myDefaultAspectText;
static const OpenGl_TextParam myDefaultTextParam =
{
// function : OpenGl_Workspace
// purpose :
// =======================================================================
-OpenGl_Workspace::OpenGl_Workspace (const Handle(OpenGl_GraphicDriver)& theDriver,
- const CALL_DEF_WINDOW& theCWindow,
- Aspect_RenderingContext theGContext,
- const Handle(OpenGl_Caps)& theCaps,
- const Handle(OpenGl_Context)& theShareCtx)
-: OpenGl_Window (theDriver, theCWindow, theGContext, theCaps, theShareCtx),
- NamedStatus (0),
+OpenGl_Workspace::OpenGl_Workspace (OpenGl_View* theView, const Handle(OpenGl_Window)& theWindow)
+: NamedStatus (0),
HighlightColor (&THE_WHITE_COLOR),
- //
- myComputeInitStatus (OpenGl_RT_NONE),
- myIsRaytraceDataValid (Standard_False),
- myIsRaytraceWarnTextures (Standard_False),
- myViewModificationStatus (0),
- myLayersModificationStatus (0),
- //
- myRaytraceFilter (new OpenGl_RaytraceFilter()),
- myToRedrawGL (Standard_True),
- myAntiAliasingMode (3),
- myTransientDrawToFront (Standard_True),
- myBackBufferRestored (Standard_False),
- myIsImmediateDrawn (Standard_False),
- myUseZBuffer (Standard_False),
- myUseDepthTest (Standard_True),
+ myView (theView),
+ myWindow (theWindow),
+ myGlContext (!theWindow.IsNull() ? theWindow->GetGlContext() : NULL),
+ myUseZBuffer (Standard_True),
+ myUseDepthWrite (Standard_True),
myUseGLLight (Standard_True),
- myIsCullingEnabled (Standard_False),
- myFrameCounter (0),
//
AspectLine_set (&myDefaultAspectLine),
AspectLine_applied (NULL),
AspectFace_applied (NULL),
AspectMarker_set (&myDefaultAspectMarker),
AspectMarker_applied (NULL),
- AspectText_set (&myDefaultAspectText),
- AspectText_applied (NULL),
- TextParam_set (&myDefaultTextParam),
- TextParam_applied (NULL),
ViewMatrix_applied (&myDefaultMatrix),
StructureMatrix_applied (&myDefaultMatrix),
myCullingMode (TelCullUndefined),
myModelViewMatrix (myDefaultMatrix),
PolygonOffset_applied (THE_DEFAULT_POFFSET)
{
- myGlContext->core11fwd->glPixelStorei (GL_UNPACK_ALIGNMENT, 1);
-
- if (!myGlContext->GetResource ("OpenGl_LineAttributes", myLineAttribs))
+ if (!myGlContext.IsNull() && myGlContext->MakeCurrent())
{
- // share and register for release once the resource is no longer used
- myLineAttribs = new OpenGl_LineAttributes();
- myGlContext->ShareResource ("OpenGl_LineAttributes", myLineAttribs);
- myLineAttribs->Init (myGlContext);
- }
+ myGlContext->core11fwd->glPixelStorei (GL_UNPACK_ALIGNMENT, 1);
- // General initialization of the context
+ if (!myGlContext->GetResource ("OpenGl_LineAttributes", myLineAttribs))
+ {
+ // share and register for release once the resource is no longer used
+ myLineAttribs = new OpenGl_LineAttributes();
+ myGlContext->ShareResource ("OpenGl_LineAttributes", myLineAttribs);
+ myLineAttribs->Init (myGlContext);
+ }
-#if !defined(GL_ES_VERSION_2_0)
- // Eviter d'avoir les faces mal orientees en noir.
- // Pourrait etre utiliser pour detecter les problemes d'orientation
- glLightModeli ((GLenum )GL_LIGHT_MODEL_TWO_SIDE, GL_TRUE);
-
- // Optimisation pour le Fog et l'antialiasing
- glHint (GL_FOG_HINT, GL_FASTEST);
- glHint (GL_POINT_SMOOTH_HINT, GL_FASTEST);
- glHint (GL_LINE_SMOOTH_HINT, GL_FASTEST);
- glHint (GL_POLYGON_SMOOTH_HINT, GL_FASTEST);
-#endif
+ // General initialization of the context
- // AA mode
- const char* anAaEnv = ::getenv ("CALL_OPENGL_ANTIALIASING_MODE");
- if (anAaEnv != NULL)
- {
- int v;
- if (sscanf (anAaEnv, "%d", &v) > 0) myAntiAliasingMode = v;
+ #if !defined(GL_ES_VERSION_2_0)
+ if (myGlContext->core11 != NULL)
+ {
+ // Eviter d'avoir les faces mal orientees en noir.
+ // Pourrait etre utiliser pour detecter les problemes d'orientation
+ glLightModeli ((GLenum )GL_LIGHT_MODEL_TWO_SIDE, GL_TRUE);
+
+ // Optimisation pour le Fog et l'antialiasing
+ glHint (GL_FOG_HINT, GL_FASTEST);
+ glHint (GL_POINT_SMOOTH_HINT, GL_FASTEST);
+ }
+
+ glHint (GL_LINE_SMOOTH_HINT, GL_FASTEST);
+ glHint (GL_POLYGON_SMOOTH_HINT, GL_FASTEST);
+ #endif
}
-}
-// =======================================================================
-// function : SetImmediateModeDrawToFront
-// purpose :
-// =======================================================================
-Standard_Boolean OpenGl_Workspace::SetImmediateModeDrawToFront (const Standard_Boolean theDrawToFrontBuffer)
-{
- const Standard_Boolean aPrevMode = myTransientDrawToFront;
- myTransientDrawToFront = theDrawToFrontBuffer;
- return aPrevMode;
+ myDefaultCappingAlgoFilter = new OpenGl_CappingAlgoFilter();
+ myNoneCulling.ChangeCullingMode() = TelCullNone;
+ myNoneCulling.ChangeEdge() = 0;
+ myFrontCulling.ChangeCullingMode() = TelCullBack;
+ myFrontCulling.ChangeEdge() = 0;
}
// =======================================================================
myLineAttribs.Nullify();
myGlContext->ReleaseResource ("OpenGl_LineAttributes", Standard_True);
}
-
- ReleaseRaytraceResources();
}
// =======================================================================
// =======================================================================
Standard_Boolean OpenGl_Workspace::Activate()
{
- if (!OpenGl_Window::Activate())
+ if (myWindow.IsNull() || !myWindow->Activate())
+ {
return Standard_False;
+ }
ViewMatrix_applied = &myDefaultMatrix;
StructureMatrix_applied = &myDefaultMatrix;
//=======================================================================
void OpenGl_Workspace::ResetAppliedAspect()
{
+ myGlContext->BindDefaultVao();
+
NamedStatus = !myTextureBound.IsNull() ? OPENGL_NS_TEXTURE : 0;
HighlightColor = &THE_WHITE_COLOR;
AspectLine_set = &myDefaultAspectLine;
AspectFace_applied = NULL;
AspectMarker_set = &myDefaultAspectMarker;
AspectMarker_applied = NULL;
- AspectText_set = &myDefaultAspectText;
- AspectText_applied = NULL;
- TextParam_set = &myDefaultTextParam;
- TextParam_applied = NULL;
PolygonOffset_applied = THE_DEFAULT_POFFSET;
myCullingMode = TelCullUndefined;
AspectFace(Standard_True);
AspectMarker(Standard_True);
AspectText(Standard_True);
+
+ myGlContext->SetTypeOfLine (myDefaultAspectLine.Type());
+ myGlContext->SetLineWidth (myDefaultAspectLine.Width());
}
// =======================================================================
return myTextureBound;
}
+ const Handle(OpenGl_Sampler)& aSampler = myGlContext->TextureSampler();
+ if (!aSampler.IsNull())
+ {
+ aSampler->Unbind (*myGlContext);
+ }
+
#if !defined(GL_ES_VERSION_2_0)
// reset texture matrix because some code may expect it is identity
- GLint aMatrixMode = GL_TEXTURE;
- glGetIntegerv (GL_MATRIX_MODE, &aMatrixMode);
- glMatrixMode (GL_TEXTURE);
- glLoadIdentity();
- glMatrixMode (aMatrixMode);
+ if (myGlContext->core11 != NULL)
+ {
+ GLint aMatrixMode = GL_TEXTURE;
+ glGetIntegerv (GL_MATRIX_MODE, &aMatrixMode);
+ glMatrixMode (GL_TEXTURE);
+ glLoadIdentity();
+ glMatrixMode (aMatrixMode);
+ }
#endif
myTextureBound->Unbind (myGlContext);
#if !defined(GL_ES_VERSION_2_0)
case GL_TEXTURE_1D:
{
-
- if (myTextureBound->GetParams()->GenMode() != GL_NONE)
+ if (myGlContext->core11 != NULL)
{
- glDisable (GL_TEXTURE_GEN_S);
+ if (myTextureBound->GetParams()->GenMode() != GL_NONE)
+ {
+ glDisable (GL_TEXTURE_GEN_S);
+ }
+ glDisable (GL_TEXTURE_1D);
}
- glDisable (GL_TEXTURE_1D);
break;
}
#endif
case GL_TEXTURE_2D:
{
#if !defined(GL_ES_VERSION_2_0)
- if (myTextureBound->GetParams()->GenMode() != GL_NONE)
+ if (myGlContext->core11 != NULL)
{
- glDisable (GL_TEXTURE_GEN_S);
- glDisable (GL_TEXTURE_GEN_T);
- if (myTextureBound->GetParams()->GenMode() == Graphic3d_TOTM_SPRITE)
+ if (myTextureBound->GetParams()->GenMode() != GL_NONE)
{
- glDisable (GL_POINT_SPRITE);
+ glDisable (GL_TEXTURE_GEN_S);
+ glDisable (GL_TEXTURE_GEN_T);
+ if (myTextureBound->GetParams()->GenMode() == Graphic3d_TOTM_SPRITE)
+ {
+ glDisable (GL_POINT_SPRITE);
+ }
}
+ glDisable (GL_TEXTURE_2D);
}
- glDisable (GL_TEXTURE_2D);
#endif
break;
}
}
#if !defined(GL_ES_VERSION_2_0)
- GLint aMatrixMode = GL_TEXTURE;
- glGetIntegerv (GL_MATRIX_MODE, &aMatrixMode);
-
- // setup texture matrix
- glMatrixMode (GL_TEXTURE);
- OpenGl_Mat4 aTextureMat;
- const Graphic3d_Vec2& aScale = aParams->Scale();
- const Graphic3d_Vec2& aTrans = aParams->Translation();
- OpenGl_Utils::Scale (aTextureMat, aScale.x(), aScale.y(), 1.0f);
- OpenGl_Utils::Translate (aTextureMat, -aTrans.x(), -aTrans.y(), 0.0f);
- OpenGl_Utils::Rotate (aTextureMat, -aParams->Rotation(), 0.0f, 0.0f, 1.0f);
- glLoadMatrixf (aTextureMat);
-
- // setup generation of texture coordinates
- switch (aParams->GenMode())
- {
- case Graphic3d_TOTM_OBJECT:
+ if (myGlContext->core11 != NULL)
+ {
+ GLint anEnvMode = GL_MODULATE; // lighting mode
+ if (!aParams->IsModulate())
{
- glTexGeni (GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
- glTexGenfv (GL_S, GL_OBJECT_PLANE, aParams->GenPlaneS().GetData());
- if (theTexture->GetTarget() != GL_TEXTURE_1D)
+ anEnvMode = GL_DECAL;
+ if (theTexture->GetFormat() == GL_ALPHA
+ || theTexture->GetFormat() == GL_LUMINANCE)
{
- glTexGeni (GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
- glTexGenfv (GL_T, GL_OBJECT_PLANE, aParams->GenPlaneT().GetData());
+ anEnvMode = GL_REPLACE;
}
- break;
}
- case Graphic3d_TOTM_SPHERE:
+
+ // setup generation of texture coordinates
+ switch (aParams->GenMode())
{
- glTexGeni (GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
- if (theTexture->GetTarget() != GL_TEXTURE_1D)
+ case Graphic3d_TOTM_OBJECT:
{
- glTexGeni (GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
+ glTexGeni (GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
+ glTexGenfv (GL_S, GL_OBJECT_PLANE, aParams->GenPlaneS().GetData());
+ if (theTexture->GetTarget() != GL_TEXTURE_1D)
+ {
+ glTexGeni (GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
+ glTexGenfv (GL_T, GL_OBJECT_PLANE, aParams->GenPlaneT().GetData());
+ }
+ break;
}
- break;
- }
- case Graphic3d_TOTM_EYE:
- {
- myGlContext->WorldViewState.Push();
+ case Graphic3d_TOTM_SPHERE:
+ {
+ glTexGeni (GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
+ if (theTexture->GetTarget() != GL_TEXTURE_1D)
+ {
+ glTexGeni (GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
+ }
+ break;
+ }
+ case Graphic3d_TOTM_EYE:
+ {
+ myGlContext->WorldViewState.Push();
- myGlContext->WorldViewState.SetIdentity();
- myGlContext->ApplyWorldViewMatrix();
+ myGlContext->WorldViewState.SetIdentity();
+ myGlContext->ApplyWorldViewMatrix();
- glTexGeni (GL_S, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR);
- glTexGenfv (GL_S, GL_EYE_PLANE, aParams->GenPlaneS().GetData());
+ glTexGeni (GL_S, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR);
+ glTexGenfv (GL_S, GL_EYE_PLANE, aParams->GenPlaneS().GetData());
- if (theTexture->GetTarget() != GL_TEXTURE_1D)
- {
- glTexGeni (GL_T, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR);
- glTexGenfv (GL_T, GL_EYE_PLANE, aParams->GenPlaneT().GetData());
- }
+ if (theTexture->GetTarget() != GL_TEXTURE_1D)
+ {
+ glTexGeni (GL_T, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR);
+ glTexGenfv (GL_T, GL_EYE_PLANE, aParams->GenPlaneT().GetData());
+ }
- myGlContext->WorldViewState.Pop();
+ myGlContext->WorldViewState.Pop();
- break;
- }
- case Graphic3d_TOTM_SPRITE:
- {
- if (GetGlContext()->core20 != NULL)
+ break;
+ }
+ case Graphic3d_TOTM_SPRITE:
{
- glEnable (GL_POINT_SPRITE);
- glTexEnvi (GL_POINT_SPRITE, GL_COORD_REPLACE, GL_TRUE);
- glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
- GetGlContext()->core15->glPointParameteri (GL_POINT_SPRITE_COORD_ORIGIN, GL_LOWER_LEFT);
+ if (myGlContext->core20fwd != NULL)
+ {
+ glEnable (GL_POINT_SPRITE);
+ glTexEnvi (GL_POINT_SPRITE, GL_COORD_REPLACE, GL_TRUE);
+ anEnvMode = GL_REPLACE;
+ myGlContext->core15->glPointParameteri (GL_POINT_SPRITE_COORD_ORIGIN, GL_LOWER_LEFT);
+ }
+ break;
}
- break;
+ case Graphic3d_TOTM_MANUAL:
+ default: break;
}
- case Graphic3d_TOTM_MANUAL:
- default: break;
- }
- // setup lighting
- if (aParams->GenMode() != Graphic3d_TOTM_SPRITE)
- {
- glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, aParams->IsModulate() ? GL_MODULATE : GL_DECAL);
+ // setup lighting
+ glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, anEnvMode);
}
#endif
#if !defined(GL_ES_VERSION_2_0)
case GL_TEXTURE_1D:
{
- if (aParams->GenMode() != Graphic3d_TOTM_MANUAL)
+ if (myGlContext->core11 != NULL)
{
- glEnable (GL_TEXTURE_GEN_S);
+ if (aParams->GenMode() != Graphic3d_TOTM_MANUAL)
+ {
+ glEnable (GL_TEXTURE_GEN_S);
+ }
+ glEnable (GL_TEXTURE_1D);
}
- glEnable (GL_TEXTURE_1D);
break;
}
#endif
case GL_TEXTURE_2D:
{
#if !defined(GL_ES_VERSION_2_0)
- if (aParams->GenMode() != Graphic3d_TOTM_MANUAL)
+ if (myGlContext->core11 != NULL)
{
- glEnable (GL_TEXTURE_GEN_S);
- glEnable (GL_TEXTURE_GEN_T);
+ if (aParams->GenMode() != Graphic3d_TOTM_MANUAL)
+ {
+ glEnable (GL_TEXTURE_GEN_S);
+ glEnable (GL_TEXTURE_GEN_T);
+ }
+ glEnable (GL_TEXTURE_2D);
}
- glEnable (GL_TEXTURE_2D);
#endif
break;
}
default: break;
}
-#if !defined(GL_ES_VERSION_2_0)
- glMatrixMode (aMatrixMode); // turn back active matrix
-#endif
theTexture->SetParams (aParams);
}
}
// =======================================================================
-// function : Redraw
+// function : TelUpdatePolygonOffsets
// purpose :
// =======================================================================
-void OpenGl_Workspace::Redraw (const Graphic3d_CView& theCView,
- const Aspect_CLayer2d& theCUnderLayer,
- const Aspect_CLayer2d& theCOverLayer)
+static void TelUpdatePolygonOffsets (const TEL_POFFSET_PARAM& theOffsetData)
{
- if (!Activate())
+ if ((theOffsetData.mode & Aspect_POM_Fill) == Aspect_POM_Fill)
{
- return;
+ glEnable (GL_POLYGON_OFFSET_FILL);
+ }
+ else
+ {
+ glDisable (GL_POLYGON_OFFSET_FILL);
}
- ++myFrameCounter;
- myIsCullingEnabled = theCView.IsCullingEnabled;
-
- // release pending GL resources
- Handle(OpenGl_Context) aGlCtx = GetGlContext();
- aGlCtx->ReleaseDelayed();
-
- // fetch OpenGl context state
- aGlCtx->FetchState();
+#if !defined(GL_ES_VERSION_2_0)
+ if ((theOffsetData.mode & Aspect_POM_Line) == Aspect_POM_Line)
+ {
+ glEnable (GL_POLYGON_OFFSET_LINE);
+ }
+ else
+ {
+ glDisable (GL_POLYGON_OFFSET_LINE);
+ }
- Tint toSwap = (aGlCtx->IsRender() && !aGlCtx->caps->buffersNoSwap) ? 1 : 0; // swap buffers
- OpenGl_FrameBuffer* aFrameBuffer = (OpenGl_FrameBuffer* )theCView.ptrFBO;
- if (aFrameBuffer != NULL)
+ if ((theOffsetData.mode & Aspect_POM_Point) == Aspect_POM_Point)
{
- aFrameBuffer->SetupViewport (aGlCtx);
- toSwap = 0; // no need to swap buffers
+ glEnable (GL_POLYGON_OFFSET_POINT);
}
else
{
- aGlCtx->core11fwd->glViewport (0, 0, myWidth, myHeight);
+ glDisable (GL_POLYGON_OFFSET_POINT);
}
+#endif
- myToRedrawGL = Standard_True;
- if (theCView.RenderParams.Method == Graphic3d_RM_RAYTRACING
- && myComputeInitStatus != OpenGl_RT_FAIL)
+ glPolygonOffset (theOffsetData.factor, theOffsetData.units);
+}
+
+// =======================================================================
+// function : updateMaterial
+// purpose :
+// =======================================================================
+void OpenGl_Workspace::updateMaterial (const int theFlag)
+{
+ // Case of hidden line
+ if (AspectFace_set->InteriorStyle() == Aspect_IS_HIDDENLINE)
{
- if (UpdateRaytraceGeometry (OpenGl_GUM_CHECK) && myIsRaytraceDataValid)
- {
- myToRedrawGL = Standard_False;
+ myAspectFaceHl = *AspectFace_set; // copy all values including line edge aspect
+ myAspectFaceHl.ChangeIntFront().matcol = myView->BackgroundColor();
+ myAspectFaceHl.ChangeIntFront().color_mask = 0;
+ myAspectFaceHl.ChangeIntFront().color_mask = 0;
- // Only non-raytracable structures should be rendered in OpenGL mode.
- Handle(OpenGl_RenderFilter) aRenderFilter = GetRenderFilter();
- myRaytraceFilter->SetPrevRenderFilter (aRenderFilter);
- SetRenderFilter (myRaytraceFilter);
+ AspectFace_set = &myAspectFaceHl;
+ return;
+ }
- Standard_Integer aSizeX = aFrameBuffer != NULL ? aFrameBuffer->GetVPSizeX() : myWidth;
- Standard_Integer aSizeY = aFrameBuffer != NULL ? aFrameBuffer->GetVPSizeY() : myHeight;
+ const OPENGL_SURF_PROP* aProps = &AspectFace_set->IntFront();
+ GLenum aFace = GL_FRONT_AND_BACK;
+ if (theFlag == TEL_BACK_MATERIAL)
+ {
+ aFace = GL_BACK;
+ aProps = &AspectFace_set->IntBack();
+ }
+ else if (AspectFace_set->DistinguishingMode() == TOn
+ && !(NamedStatus & OPENGL_NS_RESMAT))
+ {
+ aFace = GL_FRONT;
+ }
+
+ myMatTmp.Init (*aProps);
- if (myOpenGlFBO.IsNull())
+ // handling transparency
+ if (NamedStatus & OPENGL_NS_2NDPASSDO)
+ {
+ // second pass
+ myMatTmp.Diffuse.a() = aProps->env_reflexion;
+ }
+ else
+ {
+ if (aProps->env_reflexion != 0.0f)
+ {
+ // if the material reflects the environment scene, the second pass is needed
+ NamedStatus |= OPENGL_NS_2NDPASSNEED;
+ }
+
+ if (aProps->trans != 1.0f)
+ {
+ // render transparent
+ myMatTmp.Diffuse.a() = aProps->trans;
+ glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ glEnable (GL_BLEND);
+ if (myUseDepthWrite)
{
- myOpenGlFBO = new OpenGl_FrameBuffer();
+ glDepthMask (GL_FALSE);
}
- if (myOpenGlFBO->GetVPSizeX() != aSizeX
- || myOpenGlFBO->GetVPSizeY() != aSizeY)
+ }
+ else
+ {
+ // render opaque
+ if ((NamedStatus & OPENGL_NS_ANTIALIASING) == 0)
{
- myOpenGlFBO->Init (aGlCtx, aSizeX, aSizeY);
+ glBlendFunc (GL_ONE, GL_ZERO);
+ glDisable (GL_BLEND);
}
-
- // OverLayer and UnderLayer shouldn't be drawn by OpenGL.
- // They will be drawn during ray-tracing.
- Aspect_CLayer2d anEmptyCLayer;
- anEmptyCLayer.ptrLayer = NULL;
-
- myOpenGlFBO->BindBuffer (aGlCtx);
- redraw1 (theCView, anEmptyCLayer, anEmptyCLayer, 0);
- myOpenGlFBO->UnbindBuffer (aGlCtx);
-
- const Standard_Boolean isImmediate = !myView->ImmediateStructures().IsEmpty();
- Raytrace (theCView, aSizeX, aSizeY, isImmediate ? 0 : toSwap,
- theCOverLayer, theCUnderLayer, aFrameBuffer);
-
- if (isImmediate)
+ if (myUseDepthWrite)
{
- RedrawImmediate (theCView, theCUnderLayer, theCOverLayer, Standard_True);
+ glDepthMask (GL_TRUE);
}
-
- SetRenderFilter (aRenderFilter);
-
- theCView.WasRedrawnGL = Standard_False;
}
}
- if (myToRedrawGL)
+ // do not update material properties in case of zero reflection mode,
+ // because GL lighting will be disabled by OpenGl_PrimitiveArray::DrawArray() anyway.
+ if (aProps->color_mask == 0)
+ {
+ return;
+ }
+
+ // reset material
+ if (NamedStatus & OPENGL_NS_RESMAT)
{
- // draw entire frame using normal OpenGL pipeline
- if (aFrameBuffer != NULL)
+ #if !defined(GL_ES_VERSION_2_0)
+ if (myGlContext->core11 != NULL)
{
- aFrameBuffer->BindBuffer (aGlCtx);
+ myGlContext->core11->glMaterialfv (aFace, GL_AMBIENT, myMatTmp.Ambient.GetData());
+ myGlContext->core11->glMaterialfv (aFace, GL_DIFFUSE, myMatTmp.Diffuse.GetData());
+ myGlContext->core11->glMaterialfv (aFace, GL_SPECULAR, myMatTmp.Specular.GetData());
+ myGlContext->core11->glMaterialfv (aFace, GL_EMISSION, myMatTmp.Emission.GetData());
+ myGlContext->core11->glMaterialf (aFace, GL_SHININESS, myMatTmp.Shine());
}
+ #endif
- const Standard_Boolean isImmediate = !myView->ImmediateStructures().IsEmpty();
- redraw1 (theCView, theCUnderLayer, theCOverLayer, isImmediate ? 0 : toSwap);
- if (isImmediate)
+ if (theFlag == TEL_FRONT_MATERIAL)
{
- RedrawImmediate (theCView, theCUnderLayer, theCOverLayer, Standard_True);
+ myMatFront = myMatTmp;
+ myMatBack = myMatTmp;
+ }
+ else
+ {
+ myMatBack = myMatTmp;
}
- theCView.WasRedrawnGL = Standard_True;
+ NamedStatus &= ~OPENGL_NS_RESMAT;
+ return;
}
- if (aFrameBuffer != NULL)
+ // reduce updates
+ OpenGl_Material& anOld = (theFlag == TEL_FRONT_MATERIAL)
+ ? myMatFront
+ : myMatBack;
+#if !defined(GL_ES_VERSION_2_0)
+ if (myGlContext->core11 != NULL)
{
- aFrameBuffer->UnbindBuffer (aGlCtx);
- // move back original viewport
- aGlCtx->core11fwd->glViewport (0, 0, myWidth, myHeight);
+ if (myMatTmp.Ambient.r() != anOld.Ambient.r()
+ || myMatTmp.Ambient.g() != anOld.Ambient.g()
+ || myMatTmp.Ambient.b() != anOld.Ambient.b())
+ {
+ myGlContext->core11->glMaterialfv (aFace, GL_AMBIENT, myMatTmp.Ambient.GetData());
+ }
+ if (myMatTmp.Diffuse.r() != anOld.Diffuse.r()
+ || myMatTmp.Diffuse.g() != anOld.Diffuse.g()
+ || myMatTmp.Diffuse.b() != anOld.Diffuse.b()
+ || fabs (myMatTmp.Diffuse.a() - anOld.Diffuse.a()) > 0.01f)
+ {
+ myGlContext->core11->glMaterialfv (aFace, GL_DIFFUSE, myMatTmp.Diffuse.GetData());
+ }
+ if (myMatTmp.Specular.r() != anOld.Specular.r()
+ || myMatTmp.Specular.g() != anOld.Specular.g()
+ || myMatTmp.Specular.b() != anOld.Specular.b())
+ {
+ myGlContext->core11->glMaterialfv (aFace, GL_SPECULAR, myMatTmp.Specular.GetData());
+ }
+ if (myMatTmp.Emission.r() != anOld.Emission.r()
+ || myMatTmp.Emission.g() != anOld.Emission.g()
+ || myMatTmp.Emission.b() != anOld.Emission.b())
+ {
+ myGlContext->core11->glMaterialfv (aFace, GL_EMISSION, myMatTmp.Emission.GetData());
+ }
+ if (myMatTmp.Shine() != anOld.Shine())
+ {
+ myGlContext->core11->glMaterialf (aFace, GL_SHININESS, myMatTmp.Shine());
+ }
}
-
-#if defined(_WIN32) && defined(HAVE_VIDEOCAPTURE)
- if (OpenGl_AVIWriter_AllowWriting (theCView.DefWindow.XWindow))
+#endif
+ anOld = myMatTmp;
+ if (aFace == GL_FRONT_AND_BACK)
{
- GLint params[4];
- glGetIntegerv (GL_VIEWPORT, params);
- int nWidth = params[2] & ~0x7;
- int nHeight = params[3] & ~0x7;
+ myMatBack = myMatTmp;
+ }
+}
+
+// =======================================================================
+// function : SetAspectLine
+// purpose :
+// =======================================================================
+const OpenGl_AspectLine * OpenGl_Workspace::SetAspectLine(const OpenGl_AspectLine *AnAspect)
+{
+ const OpenGl_AspectLine *AspectLine_old = AspectLine_set;
+ AspectLine_set = AnAspect;
+ return AspectLine_old;
+}
- const int nBitsPerPixel = 24;
- GLubyte* aDumpData = new GLubyte[nWidth * nHeight * nBitsPerPixel / 8];
+// =======================================================================
+// function : SetAspectFace
+// purpose :
+// =======================================================================
+const OpenGl_AspectFace * OpenGl_Workspace::SetAspectFace(const OpenGl_AspectFace *AnAspect)
+{
+ const OpenGl_AspectFace *AspectFace_old = AspectFace_set;
+ AspectFace_set = AnAspect;
+ return AspectFace_old;
+}
- glPixelStorei (GL_PACK_ALIGNMENT, 1);
- glReadPixels (0, 0, nWidth, nHeight, GL_BGR_EXT, GL_UNSIGNED_BYTE, aDumpData);
- OpenGl_AVIWriter_AVIWriter (aDumpData, nWidth, nHeight, nBitsPerPixel);
- delete[] aDumpData;
- }
-#endif
+// =======================================================================
+// function : SetAspectMarker
+// purpose :
+// =======================================================================
+const OpenGl_AspectMarker * OpenGl_Workspace::SetAspectMarker(const OpenGl_AspectMarker *AnAspect)
+{
+ const OpenGl_AspectMarker *AspectMarker_old = AspectMarker_set;
+ AspectMarker_set = AnAspect;
+ return AspectMarker_old;
+}
- // reset render mode state
- aGlCtx->FetchState();
+// =======================================================================
+// function : SetAspectText
+// purpose :
+// =======================================================================
+const OpenGl_AspectText * OpenGl_Workspace::SetAspectText(const OpenGl_AspectText *AnAspect)
+{
+ const OpenGl_AspectText *AspectText_old = AspectText_set;
+ AspectText_set = AnAspect;
+ return AspectText_old;
}
// =======================================================================
-// function : redraw1
+// function : AspectLine
// purpose :
// =======================================================================
-void OpenGl_Workspace::redraw1 (const Graphic3d_CView& theCView,
- const Aspect_CLayer2d& theCUnderLayer,
- const Aspect_CLayer2d& theCOverLayer,
- const int theToSwap)
+const OpenGl_AspectLine * OpenGl_Workspace::AspectLine(const Standard_Boolean theWithApply)
{
- if (myView.IsNull())
+ if (theWithApply)
{
- return;
+ AspectLine_applied = AspectLine_set;
}
- // request reset of material
- NamedStatus |= OPENGL_NS_RESMAT;
+ return AspectLine_set;
+}
- GLbitfield toClear = GL_COLOR_BUFFER_BIT;
- if (myUseZBuffer)
+// =======================================================================
+// function : AspectFace
+// purpose :
+// =======================================================================
+const OpenGl_AspectFace* OpenGl_Workspace::AspectFace (const Standard_Boolean theToApply)
+{
+ if (!theToApply)
{
- glDepthFunc (GL_LEQUAL);
- glDepthMask (GL_TRUE);
- if (myUseDepthTest)
+ return AspectFace_set;
+ }
+
+ if (myView->BackfacingModel() == Graphic3d_TOBM_AUTOMATIC)
+ {
+ // manage back face culling mode, disable culling when clipping is enabled
+ TelCullMode aCullingMode = (myGlContext->Clipping().IsClippingOrCappingOn()
+ || AspectFace_set->InteriorStyle() == Aspect_IS_HATCH)
+ ? TelCullNone
+ : (TelCullMode )AspectFace_set->CullingMode();
+ if (aCullingMode != TelCullNone
+ && !(NamedStatus & OPENGL_NS_2NDPASSDO))
{
- glEnable (GL_DEPTH_TEST);
+ // disable culling in case of translucent shading aspect
+ if (AspectFace_set->IntFront().trans != 1.0f)
+ {
+ aCullingMode = TelCullNone;
+ }
}
- else
+ if (myCullingMode != aCullingMode)
{
- glDisable (GL_DEPTH_TEST);
+ myCullingMode = aCullingMode;
+ switch (myCullingMode)
+ {
+ case TelCullNone:
+ case TelCullUndefined:
+ {
+ glDisable (GL_CULL_FACE);
+ break;
+ }
+ case TelCullFront:
+ {
+ glCullFace (GL_FRONT);
+ glEnable (GL_CULL_FACE);
+ break;
+ }
+ case TelCullBack:
+ {
+ glCullFace (GL_BACK);
+ glEnable (GL_CULL_FACE);
+ break;
+ }
+ }
}
-
- #if !defined(GL_ES_VERSION_2_0)
- glClearDepth (1.0);
- #else
- glClearDepthf (1.0f);
- #endif
- toClear |= GL_DEPTH_BUFFER_BIT;
}
- else
+
+ if (AspectFace_set == AspectFace_applied)
{
- glDisable (GL_DEPTH_TEST);
+ return AspectFace_set;
}
- if (!ToRedrawGL())
+#if !defined(GL_ES_VERSION_2_0)
+ const Aspect_InteriorStyle anIntstyle = AspectFace_set->InteriorStyle();
+ if (AspectFace_applied == NULL || AspectFace_applied->InteriorStyle() != anIntstyle)
{
- // set background to black
- glClearColor (0.0f, 0.0f, 0.0f, 0.0f);
- toClear |= GL_DEPTH_BUFFER_BIT; //
+ switch (anIntstyle)
+ {
+ case Aspect_IS_EMPTY:
+ case Aspect_IS_HOLLOW:
+ {
+ glPolygonMode (GL_FRONT_AND_BACK, GL_LINE);
+ break;
+ }
+ case Aspect_IS_HATCH:
+ {
+ glPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
+ myLineAttribs->SetTypeOfHatch (AspectFace_applied != NULL ? AspectFace_applied->Hatch() : TEL_HS_SOLID);
+ break;
+ }
+ case Aspect_IS_SOLID:
+ case Aspect_IS_HIDDENLINE:
+ {
+ glPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
+ if (myGlContext->core11 != NULL)
+ {
+ glDisable (GL_POLYGON_STIPPLE);
+ }
+ break;
+ }
+ case Aspect_IS_POINT:
+ {
+ glPolygonMode (GL_FRONT_AND_BACK, GL_POINT);
+ break;
+ }
+ }
}
- else
+
+ if (anIntstyle == Aspect_IS_HATCH)
{
- if (NamedStatus & OPENGL_NS_WHITEBACK)
+ const Tint hatchstyle = AspectFace_set->Hatch();
+ if (AspectFace_applied == NULL || AspectFace_applied->Hatch() != hatchstyle)
{
- // set background to white
- glClearColor (1.0f, 1.0f, 1.0f, 1.0f);
- toClear |= GL_DEPTH_BUFFER_BIT;
+ myLineAttribs->SetTypeOfHatch (hatchstyle);
}
- else
+ }
+#endif
+
+ // Aspect_POM_None means: do not change current settings
+ if ((AspectFace_set->PolygonOffset().mode & Aspect_POM_None) != Aspect_POM_None)
+ {
+ if (PolygonOffset_applied.mode != AspectFace_set->PolygonOffset().mode
+ || PolygonOffset_applied.factor != AspectFace_set->PolygonOffset().factor
+ || PolygonOffset_applied.units != AspectFace_set->PolygonOffset().units)
{
- glClearColor (myBgColor.rgb[0], myBgColor.rgb[1], myBgColor.rgb[2], 0.0f);
+ SetPolygonOffset (AspectFace_set->PolygonOffset().mode,
+ AspectFace_set->PolygonOffset().factor,
+ AspectFace_set->PolygonOffset().units);
}
}
- glClear (toClear);
-
- Handle(OpenGl_Workspace) aWS (this);
- myView->Render (myPrintContext, aWS, theCView, theCUnderLayer, theCOverLayer);
- // swap the buffers
- if (theToSwap)
+ updateMaterial (TEL_FRONT_MATERIAL);
+ if (AspectFace_set->DistinguishingMode() == TOn)
{
- GetGlContext()->SwapBuffers();
- myBackBufferRestored = Standard_False;
- myIsImmediateDrawn = Standard_False;
+ updateMaterial (TEL_BACK_MATERIAL);
}
- else
+
+ if ((NamedStatus & OPENGL_NS_FORBIDSETTEX) == 0)
{
- glFlush(); //
- myBackBufferRestored = Standard_True;//
- myIsImmediateDrawn = Standard_False;//
+ if (AspectFace_set->DoTextureMap())
+ {
+ EnableTexture (AspectFace_set->TextureRes (myGlContext),
+ AspectFace_set->TextureParams());
+ }
+ else
+ {
+ DisableTexture();
+ }
}
+
+ AspectFace_applied = AspectFace_set;
+ return AspectFace_set;
+}
+
+//=======================================================================
+//function : SetPolygonOffset
+//purpose :
+//=======================================================================
+void OpenGl_Workspace::SetPolygonOffset (int theMode,
+ Standard_ShortReal theFactor,
+ Standard_ShortReal theUnits)
+{
+ PolygonOffset_applied.mode = theMode;
+ PolygonOffset_applied.factor = theFactor;
+ PolygonOffset_applied.units = theUnits;
+
+ TelUpdatePolygonOffsets (PolygonOffset_applied);
}
// =======================================================================
-// function : copyBackToFront
+// function : AspectMarker
// purpose :
// =======================================================================
-void OpenGl_Workspace::copyBackToFront()
+const OpenGl_AspectMarker* OpenGl_Workspace::AspectMarker (const Standard_Boolean theToApply)
{
-#if !defined(GL_ES_VERSION_2_0)
-
- OpenGl_Mat4 aProjectMat;
- OpenGl_Utils::Ortho2D<Standard_ShortReal> (aProjectMat,
- 0.f, static_cast<GLfloat> (myWidth), 0.f, static_cast<GLfloat> (myHeight));
+ if (theToApply && (AspectMarker_set != AspectMarker_applied))
+ {
+ if (!AspectMarker_applied || (AspectMarker_set->Scale() != AspectMarker_applied->Scale()))
+ {
+ #if !defined(GL_ES_VERSION_2_0)
+ glPointSize (AspectMarker_set->Scale());
+ #ifdef HAVE_GL2PS
+ gl2psPointSize (AspectMarker_set->Scale());
+ #endif
+ #endif
+ }
+ AspectMarker_applied = AspectMarker_set;
+ }
+ return AspectMarker_set;
+}
- myGlContext->WorldViewState.Push();
- myGlContext->ProjectionState.Push();
+// =======================================================================
+// function : AspectText
+// purpose :
+// =======================================================================
+const OpenGl_AspectText* OpenGl_Workspace::AspectText (const Standard_Boolean theWithApply)
+{
+ if (theWithApply)
+ {
+ AspectText_applied = AspectText_set;
+ }
- myGlContext->WorldViewState.SetIdentity();
- myGlContext->ProjectionState.SetCurrent (aProjectMat);
+ return AspectText_set;
+}
- myGlContext->ApplyProjectionMatrix();
- myGlContext->ApplyWorldViewMatrix();
+// =======================================================================
+// function : Width
+// purpose :
+// =======================================================================
+Standard_Integer OpenGl_Workspace::Width() const
+{
+ return !myView->GlWindow().IsNull() ? myView->GlWindow()->Width() : 0;
+}
- DisableFeatures();
+// =======================================================================
+// function : Height
+// purpose :
+// =======================================================================
+Standard_Integer OpenGl_Workspace::Height() const
+{
+ return !myView->GlWindow().IsNull() ? myView->GlWindow()->Height() : 0;
+}
- glDrawBuffer (GL_FRONT);
- glReadBuffer (GL_BACK);
+// =======================================================================
+// function : UseGLLight
+// purpose :
+// =======================================================================
+Standard_Boolean OpenGl_Workspace::UseGLLight() const
+{
+ return myView->IsGLLightEnabled();
+}
- glRasterPos2i (0, 0);
- glCopyPixels (0, 0, myWidth + 1, myHeight + 1, GL_COLOR);
+// =======================================================================
+// function : AntiAliasingMode
+// purpose :
+// =======================================================================
+Standard_Integer OpenGl_Workspace::AntiAliasingMode() const
+{
+ return myView->IsAntialiasingEnabled();
+}
- EnableFeatures();
+// =======================================================================
+// function : IsCullingEnabled
+// purpose :
+// =======================================================================
+Standard_Boolean OpenGl_Workspace::IsCullingEnabled() const
+{
+ return myView->IsCullingEnabled();
+}
- myGlContext->WorldViewState.Pop();
- myGlContext->ProjectionState.Pop();
- myGlContext->ApplyProjectionMatrix();
- glDrawBuffer (GL_BACK);
+// =======================================================================
+// function : FBOCreate
+// purpose :
+// =======================================================================
+Graphic3d_PtrFrameBuffer OpenGl_Workspace::FBOCreate (const Standard_Integer theWidth,
+ const Standard_Integer theHeight)
+{
+ // activate OpenGL context
+ if (!Activate())
+ return NULL;
-#endif
- myIsImmediateDrawn = Standard_False;
+ // create the FBO
+ const Handle(OpenGl_Context)& aCtx = GetGlContext();
+ OpenGl_FrameBuffer* aFrameBuffer = new OpenGl_FrameBuffer();
+ if (!aFrameBuffer->Init (aCtx, theWidth, theHeight))
+ {
+ aFrameBuffer->Release (aCtx.operator->());
+ delete aFrameBuffer;
+ return NULL;
+ }
+ return (Graphic3d_PtrFrameBuffer )aFrameBuffer;
}
// =======================================================================
-// function : DisplayCallback
+// function : FBORelease
// purpose :
// =======================================================================
-void OpenGl_Workspace::DisplayCallback (const Graphic3d_CView& theCView,
- Standard_Integer theReason)
+void OpenGl_Workspace::FBORelease (Graphic3d_PtrFrameBuffer theFBOPtr)
{
- if (theCView.GDisplayCB == NULL)
+ // activate OpenGL context
+ if (!Activate()
+ || theFBOPtr == NULL)
{
return;
}
- Aspect_GraphicCallbackStruct aCallData;
- aCallData.reason = theReason;
- aCallData.glContext = GetGlContext();
- aCallData.wsID = theCView.WsId;
- aCallData.viewID = theCView.ViewId;
- theCView.GDisplayCB (theCView.DefWindow.XWindow, theCView.GClientData, &aCallData);
+ // release the object
+ OpenGl_FrameBuffer* aFrameBuffer = (OpenGl_FrameBuffer*)theFBOPtr;
+ if (aFrameBuffer != NULL)
+ {
+ aFrameBuffer->Release (GetGlContext().operator->());
+ }
+ delete aFrameBuffer;
+}
+
+inline bool getDataFormat (const Image_PixMap& theData,
+ GLenum& thePixelFormat,
+ GLenum& theDataType)
+{
+ thePixelFormat = GL_RGB;
+ theDataType = GL_UNSIGNED_BYTE;
+ switch (theData.Format())
+ {
+ #if !defined(GL_ES_VERSION_2_0)
+ case Image_PixMap::ImgGray:
+ thePixelFormat = GL_DEPTH_COMPONENT;
+ theDataType = GL_UNSIGNED_BYTE;
+ return true;
+ case Image_PixMap::ImgGrayF:
+ thePixelFormat = GL_DEPTH_COMPONENT;
+ theDataType = GL_FLOAT;
+ return true;
+ case Image_PixMap::ImgBGR:
+ thePixelFormat = GL_BGR;
+ theDataType = GL_UNSIGNED_BYTE;
+ return true;
+ case Image_PixMap::ImgBGRA:
+ case Image_PixMap::ImgBGR32:
+ thePixelFormat = GL_BGRA;
+ theDataType = GL_UNSIGNED_BYTE;
+ return true;
+ case Image_PixMap::ImgBGRF:
+ thePixelFormat = GL_BGR;
+ theDataType = GL_FLOAT;
+ return true;
+ case Image_PixMap::ImgBGRAF:
+ thePixelFormat = GL_BGRA;
+ theDataType = GL_FLOAT;
+ return true;
+ #else
+ case Image_PixMap::ImgGray:
+ case Image_PixMap::ImgGrayF:
+ case Image_PixMap::ImgBGR:
+ case Image_PixMap::ImgBGRA:
+ case Image_PixMap::ImgBGR32:
+ case Image_PixMap::ImgBGRF:
+ case Image_PixMap::ImgBGRAF:
+ return false;
+ #endif
+ case Image_PixMap::ImgRGB:
+ thePixelFormat = GL_RGB;
+ theDataType = GL_UNSIGNED_BYTE;
+ return true;
+ case Image_PixMap::ImgRGBA:
+ case Image_PixMap::ImgRGB32:
+ thePixelFormat = GL_RGBA;
+ theDataType = GL_UNSIGNED_BYTE;
+ return true;
+ case Image_PixMap::ImgRGBF:
+ thePixelFormat = GL_RGB;
+ theDataType = GL_FLOAT;
+ return true;
+ case Image_PixMap::ImgRGBAF:
+ thePixelFormat = GL_RGBA;
+ theDataType = GL_FLOAT;
+ return true;
+ case Image_PixMap::ImgAlpha:
+ case Image_PixMap::ImgAlphaF:
+ return false; // GL_ALPHA is no more supported in core context
+ case Image_PixMap::ImgUNKNOWN:
+ return false;
+ }
+ return false;
}
// =======================================================================
-// function : RedrawImmediate
+// function : getAligned
// purpose :
// =======================================================================
-void OpenGl_Workspace::RedrawImmediate (const Graphic3d_CView& theCView,
- const Aspect_CLayer2d& theCUnderLayer,
- const Aspect_CLayer2d& theCOverLayer,
- const Standard_Boolean theToForce)
+inline Standard_Size getAligned (const Standard_Size theNumber,
+ const Standard_Size theAlignment)
{
- if (!Activate())
+ return theNumber + theAlignment - 1 - (theNumber - 1) % theAlignment;
+}
+
+// =======================================================================
+// function : BufferDump
+// purpose :
+// =======================================================================
+Standard_Boolean OpenGl_Workspace::BufferDump (OpenGl_FrameBuffer* theFBOPtr,
+ Image_PixMap& theImage,
+ const Graphic3d_BufferType& theBufferType)
+{
+ GLenum aFormat, aType;
+ if (theImage.IsEmpty()
+ || !getDataFormat (theImage, aFormat, aType)
+ || !Activate())
{
- return;
+ return Standard_False;
}
-
- GLboolean isDoubleBuffer = GL_FALSE;
#if !defined(GL_ES_VERSION_2_0)
- glGetBooleanv (GL_DOUBLEBUFFER, &isDoubleBuffer);
+ GLint aReadBufferPrev = GL_BACK;
+ if (theBufferType == Graphic3d_BT_Depth
+ && aFormat != GL_DEPTH_COMPONENT)
+ {
+ return Standard_False;
+ }
#endif
- if (myView->ImmediateStructures().IsEmpty())
+
+ // bind FBO if used
+ if (theFBOPtr != NULL && theFBOPtr->IsValid())
{
- if (theToForce
- || !myIsImmediateDrawn)
- {
- myIsImmediateDrawn = Standard_False;
- return;
- }
+ theFBOPtr->BindBuffer (GetGlContext());
+ }
+ else
+ {
+ #if !defined(GL_ES_VERSION_2_0)
+ glGetIntegerv (GL_READ_BUFFER, &aReadBufferPrev);
+ GLint aDrawBufferPrev = GL_BACK;
+ glGetIntegerv (GL_DRAW_BUFFER, &aDrawBufferPrev);
+ glReadBuffer (aDrawBufferPrev);
+ #endif
+ }
- if (myBackBufferRestored
- && isDoubleBuffer)
- {
- copyBackToFront();
- glFlush();
- }
- else
- {
- Redraw (theCView, theCUnderLayer, theCOverLayer);
- }
- return;
+ // setup alignment
+ const GLint anAligment = Min (GLint(theImage.MaxRowAligmentBytes()), 8); // limit to 8 bytes for OpenGL
+ glPixelStorei (GL_PACK_ALIGNMENT, anAligment);
+ bool isBatchCopy = !theImage.IsTopDown();
+
+ const GLint anExtraBytes = GLint(theImage.RowExtraBytes());
+ GLint aPixelsWidth = GLint(theImage.SizeRowBytes() / theImage.SizePixelBytes());
+ Standard_Size aSizeRowBytesEstim = getAligned (theImage.SizePixelBytes() * aPixelsWidth, anAligment);
+ if (anExtraBytes < anAligment)
+ {
+ aPixelsWidth = 0;
+ }
+ else if (aSizeRowBytesEstim != theImage.SizeRowBytes())
+ {
+ aPixelsWidth = 0;
+ isBatchCopy = false;
+ }
+#if !defined(GL_ES_VERSION_2_0)
+ glPixelStorei (GL_PACK_ROW_LENGTH, aPixelsWidth);
+#else
+ if (aPixelsWidth != 0)
+ {
+ isBatchCopy = false;
}
+#endif
- if (isDoubleBuffer && myTransientDrawToFront)
+ if (!isBatchCopy)
{
- if (!myBackBufferRestored)
+ // copy row by row
+ for (Standard_Size aRow = 0; aRow < theImage.SizeY(); ++aRow)
{
- Redraw (theCView, theCUnderLayer, theCOverLayer);
- return;
+ // Image_PixMap rows indexation always starts from the upper corner
+ // while order in memory depends on the flag and processed by ChangeRow() method
+ glReadPixels (0, GLint(theImage.SizeY() - aRow - 1), GLsizei (theImage.SizeX()), 1, aFormat, aType, theImage.ChangeRow (aRow));
}
- copyBackToFront();
- MakeFrontBufCurrent();
}
else
{
- myBackBufferRestored = Standard_False;
+ glReadPixels (0, 0, GLsizei (theImage.SizeX()), GLsizei (theImage.SizeY()), aFormat, aType, theImage.ChangeData());
}
- myIsImmediateDrawn = Standard_True;
- NamedStatus |= OPENGL_NS_IMMEDIATE;
- ///glDisable (GL_LIGHTING);
- glDisable (GL_DEPTH_TEST);
+ glPixelStorei (GL_PACK_ALIGNMENT, 1);
+#if !defined(GL_ES_VERSION_2_0)
+ glPixelStorei (GL_PACK_ROW_LENGTH, 0);
+#endif
- Handle(OpenGl_Workspace) aWS (this);
- for (OpenGl_SequenceOfStructure::Iterator anIter (myView->ImmediateStructures());
- anIter.More(); anIter.Next())
+ if (theFBOPtr != NULL && theFBOPtr->IsValid())
{
- const OpenGl_Structure* aStructure = anIter.Value();
- aStructure->Render (aWS);
+ theFBOPtr->UnbindBuffer (GetGlContext());
}
+ else
+ {
+ #if !defined(GL_ES_VERSION_2_0)
+ glReadBuffer (aReadBufferPrev);
+ #endif
+ }
+ return Standard_True;
+}
- NamedStatus &= ~OPENGL_NS_IMMEDIATE;
-
- if (isDoubleBuffer && myTransientDrawToFront)
+// =======================================================================
+// function : CanRender
+// purpose :
+// =======================================================================
+Standard_Boolean OpenGl_RaytraceFilter::CanRender (const OpenGl_Element* theElement)
+{
+ Standard_Boolean aPrevFilterResult = Standard_True;
+ if (!myPrevRenderFilter.IsNull())
{
- glFlush();
- MakeBackBufCurrent();
+ aPrevFilterResult = myPrevRenderFilter->CanRender (theElement);
}
+ return aPrevFilterResult &&
+ !OpenGl_Raytrace::IsRaytracedElement (theElement);
}